Marc Ryan Obbink, D.C.
Chiropractor · Sioux City, IA
Marc Ryan Obbink, D.C. is a chiropractor with a practice address in Sioux City, Iowa, and NPI 1437103140, issued on May 19, 2006. Check the license (Iowa 06828, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Ryan Obbink
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- 06828 IA
Self-reported in NPPES; status is on the state search - Practice location
- 4716 Morningside Ave, Sioux City, IA 51106
- Phone
- (712) 276-0712
- Enumerated
- May 19, 2006
- Record last updated
- Apr 21, 2026
- Fax
- (712) 276-0718
- Medicaid ID
- 0472175 IA
- Medicare enrollment
- Enrolled (PECOS I20060301000240); accepts Medicare assignment
- Medical or professional school
- Cleveland Chiropractic College - Kansas City, 2005
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 2,019 in Iowa → Look up another NPI →
Also registered at 4716 Morningside Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lindsy Bottger, LMTMassage Therapist1497370480
- Hope Fawcett, LMTMassage Therapist1023633013
- Mark Kruse, D.C.Orthopedic Chiropractor1821077694
- Christopher Manley, D.C.Chiropractor1063491868
- Cole Miller, DCChiropractor1679138010
Verify Marc Ryan Obbink in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 06828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Kruse-Manley Clinic OF ChiropracticSioux City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc Ryan Obbink among 2,019 chiropractor records in Iowa
Marc Ryan Obbink, D.C. is one of 2,019 chiropractor records with a practice address in Iowa. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 21% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2005 · median 2007 among the 1,145 with a school on file
- Record last updated2026 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 chiropractor records list a practice address in Sioux City
They are 44 of the 1,486 NPPES records with a practice address in Sioux City, and 2,019 chiropractor records in Iowa.
All 2,019 in Iowa → Every provider in Sioux City → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Cynthia Butler, D.C.Sioux City, IA 511061831196724
- Lin Chicoine PetersonSioux City, IA 511061477527422
- Troy FluentSioux City, IA 511061952375016
- Chad Gaskell, D.C.Sioux City, IA 511061245326669
- Rodney Gaskell, D.C.Sioux City, IA 511061649366915
- Jeffrey Jernberg, D.C.Sioux City, IA 511061942293378
- Christopher Manley, D.C.Sioux City, IA 511061063491868
- Thomas Molstad, D.C.Sioux City, IA 511061740250984
Common questions
What is Marc Ryan Obbink, D.C.'s NPI number?
Marc Ryan Obbink, D.C.'s National Provider Identifier (NPI) is 1437103140, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Ryan Obbink, D.C. located?
The NPPES record lists a practice address at 4716 Morningside Ave, Sioux City, IA, 51106. Phone: (712) 276-0712. Providers update this record themselves, so call before visiting.
How can I verify Marc Ryan Obbink, D.C.'s license?
NPPES lists Iowa license number 06828, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.